The youngest learners may struggle the most when it comes to online learning. So a Florida-based company -- D-O-C Learning Solutions -- stepped in immediately when elementary schools were caught off guard by COVID-19 at the end of last school year. They helped hundreds of brick-and-mortar schools go virtual with their engaging free curriculum designed for pre-K through second-graders. Now, the unique platform is busier than ever as the new school year gets underway. Kim Martinez reports.